Roof ventilator



May 171.1949.

, Filed Aug. 8, 1947 J. F. WERNER ROOF VENTILATOR 2 Sheets-Sheet 1 IInventor JOf/A E WER/l [R y 1949- J. F. WERNER 2,470,201

ROOF VENTILATOR Filed Aug. 8, 1947' 2 Shams-Sheet 2 Fig. 3

I nzentor arm W Em Patented May 17, 1949 UNITED STATES PATENT OFFICEROOF VENTILATOR John F. Werner, Tracy, Minn.

Application August 8, 1947, Serial No. 767,506

1 Claim.

1 The present invention relates to new and useful improvements inventilators and more particularly to a device of this character designedfor mounting in the roof of a building to ventilate an attic or areaimmediately under the roof.

An important object of the present invention is to provide a ventilatorof this character which may be easily and quickly installed in a roof atthe time of its construction or after the roof has been completed.

A still further object is to provide a roof ventilator includinginternal baflles for the draft of air entering the ventilator andarranged to exclude the entrance of rain or snow into the building.

A still further object is to provide a device of this character ofsimple and practical construction, which is neat and attractive inappearance, relatively inexpensive to manufacture and otherwise welladapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction andoperation as more fully hereinafter described and claimed, referencebeing had to the accompanying drawings forming part hereof, wherein likenumerals refer to like parts throughout, and in which:

Figure 1 is a perspective view showing the ventilator installed in aroof;

Figure 2 is an enlarged vertical sectional view of the ventilator;

Figure 3 is a perspective View of the ventilator removed from the roof;

Figure 4 is a vertical sectional view taken on the line 4-4 of Figure 3;

Figure 5 is a transverse sectional view taken on the line 55 of Figure3;

Figure 6 is a horizontal sectional view taken on the line 6-6 of Figure4;

Figure 7 is a fragmentary sectional view through the louvers at theentrance to the ventilator taken on the line ll of Figure 4, and;

Figure 8 is a perspective view of the base plate with one of the bafflesintegrally formed therewith.

Referring now to the drawings in detail wherein for the purpose ofillustration I have disclosed a preferred embodiment of the inventionthe numeral 5 designates a base plate having a rectangular opening 6formed therein and with part of the material removed from the openingbent upwardly and forwardly to provide a lower baffle 1 having aforwardly projecting overhanging lip 8.

2 v A housing 9 is open at its bottom and with its lower edges welded asshown at 19 to the upper surface of the base plate 5 to cover theopening 6 and to enclose the baflie l. The housing 9 includes a rearsloping wall II and a top sloping wall I2.

The front of the housing 9 is open and with the side edges at the frontopening inclined rearwardly as shown at l3. A plurality of horizontallouvers I 4 are secured at their ends to the sides of the housing at theopen front edges l3 thereof, the louvers being arranged in spacedparallel relation with respect to each other and with the lower edge ofan upper louver overlapping the upper edge of a lower louver as shown inFigure 4. The lowermost louver I5 is formed at its lower edge with drainopenings I6.

An upper baflie I! of channel shaped cross section has one of itsflanges welded or otherwise suitably secured to the underside of the topl2 forwardly of the bafile 1, the flanges of the baffle l1 projectingforwardly and with the lower flange positioned below the horizontalplane of the lip 8 of the lower bafile 1 when the ventilator is mountedon a sloping roof l8 as shown in Figure 2 of the drawings.

The ends of the channel shaped battle I'! are formed with forwardlyprojecting reinforcing tongues l9 which are welded to the sides of thehousing 9 to brace the baflie 11.

In the operation of the device an opening 20 is cut in the roof l8 andthe base plate 5 secured in position on the roof with the opening 6aligned with the opening 29.

The area of the base plate 5 is greater than the area of the housing 5whereby a flange 2| projects outwardly at the sides, front and rear ofthe housing 9 and which may be secured under the shingles 22 of a roofat the rear and side edges of the base plate and with the front edge ofthe base plate resting on top of the shingles.

Air enters the ventilator as shown by the arrows in Figure 2 and rain orsnow entering the ventilator will strike the bafiles 1 and I 1 and draindownwardly on the base plate 5 for discharge through the openings IS.

The sloping position of the ventilator inclines the lower flange of theventilator l1 forwardly to prevent water collecting on said flange.

In view of the foregoing description taken in conjunction with theaccompanying drawings it is believed that a clear understanding of theconstruction, operation and advantages of the device will be quiteapparent to those skilled in this art. A more detailed description isaccordingly deemed unnecessary.

It is to be understood, however, that even though there is herein shownand described a preferred embodiment of the invention the same issusceptible to certain changes fully comprehended by the spirit of theinvention as herein described and the scope of the appended claim.

Having described the invention, what is claimed as new is:

A roof ventilator comprising a base plate having an opening, an upwardlystruck baffle at the front edge of the opening, a bottomless housinghaving its lower edges secured on top of said plate to enclose thebaffle and covering the opening, said housing having an open front, asecond baffle extending downwardly from the-underside of the housing infront of the first baffle, a forwardly projecting lip on the upper edgeof the first baille and a forwardly projecting lip on the 20 lower edgeof the second baffle, and louvers supported at the open front of thehousing.

JOHN F. WERNER.

REFERENCES CITED The following references are of record in the file ofthis patent:

